BFI Drawings of a Post Tension Concrete Slab Design.  These Images were used to support a Concrete Expert Witness Investigation and Summary Report regarding Concrete Defect, Poor Workmanship, Post Tensioning Strands, and claims of damage to concrete including a phenomenon called sulfate attack.

05  PT Construction - Tendon Layout.jpg
07   PT Construction - Untrimmed-Ungrout
09   PT Anchor Attachment.jpg
06  PT Construction - Prtl Concrete Inst
08   PT Anchor Details.jpg
10  PT Cross Section Final Config.jpg